$JAVAC = 'C:\Program Files\Eclipse Adoptium\jdk-17.0.7.7-hotspot\bin\javac.exe'
$JAVA  = 'C:\Program Files\Eclipse Adoptium\jdk-17.0.7.7-hotspot\bin\java.exe'
$BASE  = 'C:\Users\Ankur\Claude\Projects\@ankurm Blog\design-patterns'
$OUTDIR = "$BASE\screenshots"

New-Item -Force -ItemType Directory $OUTDIR | Out-Null

$patterns = @(
  @{dir="chain-of-responsibility"; pkg="chain";    main="chain.Main"},
  @{dir="command";                 pkg="command";  main="command.Main"},
  @{dir="iterator";                pkg="iterator"; main="iterator.Main"},
  @{dir="mediator";                pkg="mediator"; main="mediator.Main"},
  @{dir="memento";                 pkg="memento";  main="memento.Main"},
  @{dir="observer";                pkg="observer"; main="observer.Main"},
  @{dir="state";                   pkg="state";    main="state.Main"},
  @{dir="strategy";                pkg="strategy"; main="strategy.Main"},
  @{dir="template-method";         pkg="template"; main="template.Main"},
  @{dir="visitor";                 pkg="visitor";  main="visitor.Main"}
)

$allOk = $true

foreach ($p in $patterns) {
  $label = $p.dir.ToUpper()
  Write-Host "`n=== $label ===" -ForegroundColor Cyan

  $srcDir = "$BASE\03-behavioral\$($p.dir)"
  $outDir = "$BASE\out\$($p.pkg)"
  New-Item -Force -ItemType Directory $outDir | Out-Null

  $files = @(Get-ChildItem "$srcDir\*.java" | Select-Object -ExpandProperty FullName)

  if ($files.Count -eq 0) {
    Write-Host "[SKIP] No .java files in $srcDir" -ForegroundColor Yellow
    continue
  }

  $compileOut = & $JAVAC -d $outDir @files 2>&1
  if ($LASTEXITCODE -ne 0) {
    Write-Host "[FAIL] $label compile error:" -ForegroundColor Red
    $compileOut | ForEach-Object { Write-Host "  $_" -ForegroundColor Red }
    $allOk = $false
    continue
  }

  Write-Host "[OK] Compiled $($p.dir)" -ForegroundColor Green

  $logFile = "$OUTDIR\$($p.pkg)-output.txt"
  $runOut = & $JAVA -cp $outDir $($p.main) 2>&1
  $runOut | Out-File -FilePath $logFile -Encoding utf8
  $runOut | ForEach-Object { Write-Host $_ }
  Write-Host "[SAVED] $logFile" -ForegroundColor DarkGray
}

Write-Host "`n============================================" -ForegroundColor Yellow
if ($allOk) {
  Write-Host "All 10 behavioral patterns compiled and ran OK" -ForegroundColor Green
} else {
  Write-Host "Some patterns had errors - check output above" -ForegroundColor Red
}
Write-Host "Output files: $OUTDIR" -ForegroundColor Yellow
Read-Host "`nPress Enter to close"